Set of 4 ~ 18" Natural Color Wooden American Mahjong Racks with Attachable Magnet Pushers Set of 4 natural colored wooden racks with pushers Made out of wood. The pushers can be attached to the edge so it can push the wall. The racks and pushers have small magnets in the side which helps attach to each other Rack Measurements: 18" (L) x 2.5" (W) x 0.8" (H) Does not come with tiles, chips, or dice